Volume kerucut berikut

1a. V = ⅓.²²/7 .7.7.20
= 1080/3 = 360 cm³

1b. V = ⅓.3,14.5.5.12
= ⅓.314/100.5.5.12
= 314 cm³

1c. V = ⅓.3,14.10.10.18
= ⅓.314.18
= 1884 cm³

1d. V = ⅓.3,14.15.15.20
= 4710 cm³

1e. V = ⅓.²²/7.21.21.24
= 11088 cm³

1f. V = ⅓.²²/7.14.14.21
= 4312 cm³